Graeme McDowell closed with a 4-under-par 68 at Sherwood Country Club in Thousand Oaks, Calif., and held off Keegan Bradley to carry him to a three-shot win in the World Challenge on Sunday, his first victory in two years. McDowell finished with a 17-under 271. Bradley, two shots behind with five holes to play, never got any closer. He wound up with a 69. Tiger Woods, the tournament host and defending champion, didn’t make birdie until the 13th hole and closed with a 71 to tie for fourth . . . Martin Kaymer shot a 3-under 69 to earn his first title of 2012 at the Nedbank Golf Challenge in Sun City, South Africa. Kaymer finished at 8-under 280, two ahead of Charl Schwartzel. American Bill Haas was third after a 71. Louis Oosthuizen (74) was fourth. Two-time defending champion Lee Westwood’s run at Sun City ended with a 73, seven shots behind the winner . . . Australia’s Steven Bowditch shot an 8-under 64 on PGA West’s Jack Nicklaus Tournament Course in La Quinta, Calif., to take a one-stroke lead after the fifth round of the PGA Tour qualifying tournament. Georgia native Kris Blanks sits in second. Bowditch had a 23-under 337 total in the six-round event. The final top 25 and ties will receive 2013 PGA Tour cards and the next 50 and ties will earn Web.com Tour cards . . . Canada’s Rebecca Lee-Bentham shot a 5-under 67 to tie Thailand’s Moriya Jutanugarn for the top spot in the LPGA Tour qualifying tournament. Lee-Bentham and Jutanugarn finished the five-round event at 13-under 347 at LPGA International in Daytona Beach, Fla. Jutanugarn shot a 74 after taking a six-stroke lead into the day. The top 20 finishers earned full status on the LPGA Tour.